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Finding the Fourth Proportional to 29,198.44, 43,797.68 and 8,138.54

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Solution

The fourth proportional to 29,198.44, 43,797.68 and 8,138.54 is: 12,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,198.44 : 43,797.68 = 8,138.54 : x
  2. Step 2: Convert to fraction form
    29,198.44/43,797.68 = 8,138.54/x
  3. Step 3: Cross multiply
    29,198.44x = 43,797.68 × 8,138.54
  4. Step 4: Simplify right side
    29,198.44x = 356,449,170.59
  5. Step 5: Solve for x
    x = 356,449,170.59/29,198.44
  6. Step 6: Final answer
    x = 12,207.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.